maxim coding

Programmers must know the programming Maxim Category: Programmer/webmaster 2012-02-29 09:52 588 people read reviews (2) Favorites report Programming Blog1. Keep It simple and straightforward (Keep It Stupid)2. Do not self-replicate (Don ' t Repeat yourself)3. The competent person solves the problem. The wise man bypassed the question (a clever person solves a problem. A wise person avoids it) –einstein4. Silence will be understood as endorsement (

Quotation marks are used as extracts of accent text. Because we need to provide some important flags to use the user's attention to the most important part of the article, although they never read it. In addition, quotes are always used in thank-you notes and sometimes in blog comments, and they may be styled with graphics, CSS, and a bit of JavaScript. Sometimes, creative dynamic solutions can also be applied well. This post includes creative examples and best practices on

approach is intended to be a more difficult and costly repair/replacement/recall issue that would be subject to immediate production, problem solving, and no further production. programmers always make productivity the same as the wrong assumption of fast coding. Many programmers go directly to code design without hesitation. Unfortunately, this kind of Leeroy Jenkins reckless approach will lead to the development of software is very sloppy, poor cod

the parent class, persist in using @override.★ Subclasses inherit all accessible members of their parent class.★ Design, the code upward concentration.★ As a reuse mechanism, delegation takes precedence over inheritance. --"Design pattern"★ polymorphic = polymorphic variable + dynamic binding (System mechanism).★ Users only need to understand the interface--parnas principle .★software entities (classes, modules,functions,,etc.) should is open for extension,but closed for modification. A softwa

have festive, not born jealous;A man has a plague, not a joyous heart. It is not true good to see people with good desires;It is the great evil that is known to the wicked. See the color of the heart, reported in the daughter and wife. the stabbed and the evil of the children. the door is obedient, although shinny yōng supper sūn, there is also Yu Huan;National class early finish, namely SAC Náng Ligularia Tuó, complacent to music. The book is in the sage, the non-apostle Curtis;If you are a so

ExercisesSimulation questionsAlthough it is a big simulation problem, but it is a test of the active degree of thinking.You know how to do it when you first start doing it. But there are a lot of things in your mind. Categorical enumeration always confuses itselfThe question taught me to think carefully about the way we classifyThis question. Judging by the odd number of enumerated negative numbersis odd: Then the absolute value of the smallest number, if it is positive, +x, is negative,-X;is ev

Manage Maxim collections Publisher: Lin tianqiang published on: 09:10:48. 547 As a leader, a person must have the confidence to be clear and accurate, and be sure that everyone in the Organization can understand the goals of his career.In all circumstances, there is a quantitative responsibility. If either party assumes too many responsibilities, the other party will correspondingly assume equal r

1. Prediction code CompressionAlgorithmThe essence is to remove redundancy between signals. What is signal redundancy? The correlation between signals is redundancy. human hearing or visual systems that do not feel or mask can also be used as redundant components. Today we will talk about the concept of predictive coding, which is a very intuitive and simple method. It is intuitive. Taking an image as an example, There Are similarity and correlation

We know that the encoding method should be declared in the header file of Python source code. If you don't just use ASCII code, many people may write a little different: # Coding = UTF-8 # Coding: UTF-8 #-*-Coding: UTF-8 -*- So how can we effectively write data? What advantages are ineffective? For more information, see http://www.python.org/dev/peps/p

First, the concept of entropy coding:The bigger the entropy, the more chaotic.Entropy in Informatics: Used to measure the entropy of messages, and the uncertainty of information The more random and irrelevant information, the higher the entropy Source code theorem: This shows the relationship between the entropy of Shannon and the probability of the source sign. Entropy of information is the lower limit of average code length after lossless

Both arithmetic coding and program encoding are lossless compression. Arithmetic Coding) Arithmetic coding is a lossless data compression method and an entropy encoding method. Different from other entropy coding methods, other entropy coding methods usually divide input mes

commonly used in pixel encoding: 1. pulse Code Modulation (PCM); 2. entropy Coding; 3. run Length Coding; 4. bit Plane Coding (Bit Plane Coding ). Here, we will introduce the Huffman encoding and travel encoding in entropy (taking reading the. PCX file as an example ).The so-called predictive encoding is to remove the

computing Truncation parameter C BS = 4 More Obvious Block Effect More severe filtering is required to remove the block effect. Perform strong filter on the boundary when the following conditions are met: Modify when FilteringP0,P1,P2Pixel value Modify only when weak FilteringP0Pixel value Chapter 2 video encoding standards 1. International Standards Organization ITU (International Telecommunications Union): International Telecommunication Union ISO (International Standardi

First, the arithmetic coding definition It is a non-grouping coding algorithm. It is based on the whole sequence, using recursive form of continuous coding. Instead of mapping a single source symbol into a code word, the symbol for the entire input sequence is mapped to a small interval within the interval [0 1] on the real axis, and a representativ

Huffman Coding (Huffman coding) is a coding method, and Huffman coding is a variable-length encoding (VLC). Huffman code uses a variable-length coding table to encode a source symbol (such as a letter in a file). The Variable length codi